Chm Shelf

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- added share image
- for Android version Jelly Bean or newer text can be shared using long press like in the Internet Browser
- for Android versions older than JB added share text. Share has a little help button with more instructions.
- sorted the list of chm books alphabetically
- sorted the languages for TTS alphabetically
- added to TTS bar a close button
- bug-fixes:
crash when rotating from landscape to portrait
disappearance of the search button from menu